Alarm Clocks

Clock projects that add alarm-setting features and buttons, which take careful design.

Kit photo coming soon

 

Key Features

  • Lab: Display Alarm Icon

Key Benefits

  • Free, open lessons. The Clocks and Watches textbook has the kit page, wiring, and MicroPython code.
  • Instant feedback. Students see their code's results on lights or a display.
  • Budget. About $17 (estimate: 0.96" OLED about $4.40, DS3231 clock about $2, buzzer and buttons about $2; Pico $4, breadboard $2, wires $1, USB cable $2).

Parts

Part (price)Role
Raspberry Pi Pico ($4)Microcontroller
SSD1306 128×64 OLEDDisplay
830-Point Breadboard ($1.10)Breadboard
Micro-USB Data Cable ($2.50)Power and programming cable

Microcontroller listed first. Prices shown only where known; see the source book for quantities, wiring, and current prices.

About this kit: From the Clocks and Watches collection.
Source: Clocks and Watches